ENTOMOLOGICAL NEWS. 475 
BET tis 6- over tey-thids lates See 
ee an constricted toward tha tip: cantons 
ct with the air tube of the larva and evidently for 
hilar purpose. The entire pupa is destitute of external 
‘except for two small hairs situated near the base of 
es sond abdominal segment. “The anal paddles are long 
t four times as long as broad, and have finely serrated 
is re 
oO ST do 4 os sous callgtand in the Tromeo oats 
an on the sth two others were taken. They were washed 
from the bottom mud and vegetable debris and like those in 
a "the laboratory showed scarcely any signs of life. They grad- 
‘ ee of Lahaway, however, was able to continue 
ee ee from 
ey s rctcene Senate 1907. These 
now in the hands of Professor Smith will be collated 
in 
id published in the Report of the New Jersey Experiment 
for 
E itis. Brakeley collected the first pupa on May 28th and on 
the gist of month three others were taken. From these 
___ he secured three male adults on the rst and 2d of June, his 
____—s pupae having been apparently more advanced than those col- 
lected by myself and therefore maturing in spite of unnatural 
conditions. Additional pupae were collected at intervals 
_ From what has been observed it is certain that the pupae 
MMII ©. tke surtace for sir as do the other fonne of 
Culex (sens. lat.) of which the early stages are known. It 
_ is almost equally certain that the air tubes used in unity are 
inserted into the grass roots and like the larva oxygen is secured 
| through the tissues of the plant. That these tubes are not 
_ . permanently fixed in one position is shown by the fact that 
ee i bt) es cae 
rye” | > 4 ¥ ‘ > oo oe Lae 
